Inventor
Mark W. Grenfell
Inventor
Woodbury, MN, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Dprimary
C11DDetergent compositions14%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis14%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
C10MLubricating compositions8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
C08JWorking-up6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
PatentTitleYear
6,759,374'Composition comprising lubricious additive for cutting or abrasive working and a method therefor'20046,734,154'Cleaning process and composition using fluorocompounds'20046,506,459'Coating compositions containing alkoxy substituted perfluoro compounds'20036,376,452'Cleaning process and composition using fluorocarbons'20026,294,508'Composition comprising lubricious additive for cutting or abrasive working and a method therefor'20016,043,201'Composition for cutting and abrasive working of metal'20005,962,390'Cleaning process and composition'19995,844,034'Surfactants to create dispersions in fluorinated liquids'19985,839,311'Composition to aid in the forming of metal'19985,660,888'Surfactants to create fluoropolymer dispersions in fluorinated liquids'19975,560,861'Azeotropic compositions'19965,532,310'Surfactants to create fluoropolymer dispersions in fluorinated liquids'19965,484,489'Azeotropic compositions containing perfluorinated cycloaminoether'19965,401,429'Azeotropic compositions containing perfluorinated cycloaminoether'19955,369,983'Detection medium and method for use in hermetic seal testing'19945,030,805'Condensation heating apparatus'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2000Patents assigned to MINNESOTA MINING & MFG (10)· patent assignee history
1991–2004Based in Woodbury, MN, US· patent location history
1998–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 10 | 1991–2000 |
| 3M INNOVATIVE PROPERTIES CO | 6 | 1998–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodbury, Minnesota, US | 16 | 1991–2004 |